Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Scientists from around the world gathered in Hiroshima in November with the aim of charting a path toward a world free of ...

Exclusive: Australian taxpayer money and US military grants are helping to fund physics research by a Russian scientist ...

After the New START treaty expires in February, there will be no cap on the number of US and Russian nuclear weapons - but ...

PARIS (AP) — Israel's tally of the war damage it wrought on Iran includes the targeted killings of at least 14 scientists, an unprecedented attack on the brains behind Iran's nuclear program that ...

Faster, stealthier missiles, accelerated weapons development, and the threat of an unrestrained nuclear arms race, set ...

After the war with Israel, Iranian authorities have swept up hundreds of people deemed suspected infiltrators. But the arrest and hanging of the nuclear scientist Roozbeh Vadi was a rare move. By ...

Many advances in technology spring from the mind of a single genius, but others, like nuclear power, are the product of many minds over generations.

New details have emerged about the 2020 assassination of senior Iranian nuclear scientist Mohsen Fakhrizadeh, which Tehran blamed on Israel's Mossad spy agency. Israel has never publicly claimed ...

DUBAI, Nov 29 (Reuters) - Iran will give a "calculated and decisive" response to the killing of its top nuclear scientist, said a top adviser to Iran's supreme leader, while a hardline newspaper ...

It's the most dangerous career track you could choose, if you believe Iran's semi-official Fars News Agency. Today, Iranian nuclear scientist Mostafa Ahmadi Roshan was killed in an explosion after a ...

A prominent Iranian nuclear scientist has defected to the U.S., aiding American hopes of curtailing Iran's nuclear ambitions, according to ABC News. The scientist, Shahram Amiri, disappeared last year ...